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Finding the Fourth Proportional to 417,757.38, 576,518.91 and 236,465.42

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Solution

The fourth proportional to 417,757.38, 576,518.91 and 236,465.42 is: 326,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,757.38 : 576,518.91 = 236,465.42 : x
  2. Step 2: Convert to fraction form
    417,757.38/576,518.91 = 236,465.42/x
  3. Step 3: Cross multiply
    417,757.38x = 576,518.91 × 236,465.42
  4. Step 4: Simplify right side
    417,757.38x = 136,326,785,347.21
  5. Step 5: Solve for x
    x = 136,326,785,347.21/417,757.38
  6. Step 6: Final answer
    x = 326,330.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.